# # {1,2,3}
# s = set()
# # s.add(1)
# # print(s)
# s.update(["123", "345", "5656"])
# print(s)
# # pop = s.pop()
# # print(pop)
# s.clear()
# print(s)
# union


# s = {1, 2, 3}
# s1 = {2, 3, 4}
# union = s.union(s1)
# print(union)

my_set = {'小红', '小橙', '小绿'}
print(my_set)


# my_set = {'小红', '小红', '小红'}
# print(my_set)
